God was the transcriber of the Bible and the creator. He didn't have to leave clues about Genesis. I think you are taking too much liberty in saying he didn't mean what he said and left clues for humans to interpret. I'm not sure what led you to believe that. I'm not sure why you can't believe humans lived close to 1000 years. Didn't you believe that Adam and Eve were going to live forever? We all were supposed to live forever. Aren't we going to live forever in the afterlife?
The Bible is inspired by God, not transcribed by God. I disagree I am the one taking liberty. It wasn't until the Bible was translated into English that the English population began taking liberties. The age of the earth was not calculated by the Bible until the late 1800s. Certainly the Jews, who read and studied the Bible in its original language did not feel Genesis should be used to calculate the age of the earth. It wasn't until the Protestant "Reformation" where people decided they could read and understand scripture all on their own that these ideas about taking Genesis literally began to take hold in some segments of Christianity. Catholics, whose clergy studied traditional meanings of the Bible, did not arrive at the same conclusions--and still don't. However, the Catholic Church notes that there is nothing wrong in taking everything in Genesis literally, if that is how one cares to read it.
My own view is that we can learn more about God and His creation by studying and considering scientific facts as well. That is what is of highest importance to me--to know God to the greatest extent possible. Tying Him to magical tricks does Him no favors. Awe (fear of the Lord) lies in truth, whatever that truth leads. God guides us in spirit and truth, and He still has much to teach us about Himself.
Again, the Bible is not about science, and if one wishes to take everything in the Bible literally, this does not--or at least should not--affect our behavior towards God and others. The Bible is truly about our behavior and our relationships. Whatever one chooses to believe about the true age of the earth, or how long it took to create this planet, or whether the flood covered the entire planet really has no bearing on how one treats God or his fellow man. As we pass from this life into the next, the quality of our relationships--not whether we believe there were kangaroos on the Ark--is what is going to matter most to us.